概述
数据手册VS-720LFCFAB 概述
Voltage Controlled SAW Oscillator 压控振荡器锯
VS-720LFCFAB 数据手册
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PDF下载VS-720 Voltage Controlled SAW Oscillator
VS-720
Voltage Controlled SAW Oscillator
Features
• Industry Standard Package, 5.0 x 7.5 x 2.0 mm
• ASIC Technology For Ultra Low Jitter
0.100 ps-rms typical across 12 kHz to 20 MHz BW
0.120 ps-rms typical across 50 kHz to 80 MHz BW
• Output Frequencies from 150 MHz to 800 MHz
• Absolute Pull Range (APR) up to ± 100 ppm
• 3.3 V Operation
• LV-PECL or LVDS Configuration with Fast Transition Times
• Complementary Outputs
• Output Disable Feature
• Improved Temperature Stability over Standard VCSO
Product is free of lead and compliant to
EC RoHS Directive
Applications
PLL circuits for Clock Smoothing and Frequency Translation
Description
Standard
• 1-2-4 Gigabit Fibre Channel
• 10 Gigabit Fibre Channel
• 10GbE LAN / WAN
• OC-192
INCITS 352-2002
INCITS 364-2003
IEEE 802.3ae
ITU-T G.709
• SONET / SDH
GR-253-CORE Issue3
Description
The VS-720 is a Voltage Controlled SAW Oscillator that
achieves low phase noise and very low jitter performance.
The VS-720 is housed in an industry standard 6-Pad leadless
ceramic package that is hermetically sealed. Packaging
options include bulk or tape and reel
Vectron International, 267 Lowell Rd, Hudson NH 03051-4916
Page 1 of 7
Tel: 1-88-VECTRON-1
Website: www.vectron.com
Rev: 3 April 2007
VS-720 Voltage Controlled SAW Oscillator
Electrical Performance
Parameter
Symbol Minimum Typical Maximum Units Notes
Frequency
150
±50
800
±10
MHz
ppm
%
ppm/V
ppm
1,2,3
1,2,8
2,4,8
2,8
Nominal Frequency
Absolute Pull Range
Linearity
Gain Transfer (See Pg 5)
Temperature Stability
fN
APR
Lin
KV
fSTAB
+100
±20
1
Supply
2.97
Voltage
Current (No Load)
VCC
ICC
3.3
55
3.63
70
V
mA
2,3
3
Outputs
Vcc-1.4
450
VCC-2.4
250
Vcc-1.25
600
Vcc-2.3
350
Vcc-1.0
750
VCC-2.5
450
20
500
500
55
0.250
0.300
4.0
V
mV-pp
V
mV-pp
mA
ps
ps
%
2,3
2,3
2,3
2,3
6
5,6
5,6
2,3
6,7
6,7
Mid Level - LVPECL
Swing – LVPECL
Mid Level - LVDS
Swing – LVDS
Current
Rise Time
IOUT
tR
tF
SYM
φJ
φJ
φJ
φJ
250
250
50
0.100
0.120
Fall Time
Symmetry
45
50
ps-rms
ps-rms
Jitter (12 kHz – 20 MHz BW) 622.08 MHz
Jitter (50 kHz – 80 MHz BW) 622.08 MHz
3.0
20
60
ps-rms
ps pk-pk
dBc
9
9
6
Period Jitter, RMS (622.08 MHz)
Period Jitter, Peak - Peak (622.08 MHz)
Harmonic Suppression
30
Control Voltage
Control Voltage Range for APR
Control Voltage Input Impedance
Control Voltage Modulation BW
Operating Temp. (Ordering Option)
Package Size
VC
ZIN
BW
0.3
75
50
3.0
V
KΩ
KHz
2,8
6
6
TOP
0/70,-20/70 or -40/85
5.0 x 7.5 x 2.0
°C
1,3
mm
1. See Standard Frequencies and Ordering Information tables (Pg 7) for more specific information
2. Parameters are tested with production test circuit below (Fig 1).
3. Parameters are tested at ambient temperature with test limits guard-banded for specified operating temperature.
4. Measured as the maximum deviation from the best straight-line fit, per MIL-0-55310.
5. Measured from 20% to 80% of a full output swing (Fig 2).
6. Not tested in production, guaranteed by design, verified at qualification.
7. Integrated across stated bandwidth per GR-253-CORE Issue3.
8. Tested with Vc = 0.3V to 3.0V unless otherwise stated in part description
9. Broadband Period Jitter measured using Lecroy Wavemaster 8600A 6 GHz Oscilloscope, 250K samples taken
(-1.3V to +2.0V)
(+2.0V)
COutput
Output
1
2
3
6
5
4
SYM = 100 x tA / tB
tR
tF
Enable, Disable
(-1.3V, +2.0V)
Vcc - 1.0V
Vcc - 1.3V
Vcc - 1.6V
80%
20%
(-1.3V)
50Ω
50Ω
tA
Test Circuit Notes:
1) To Permit 50Ω Measurement of Outputs, all DC Inputs are Biased Down 1.3V.
2) All Voltage Sources Contain Bypass Capacitors to Minimize Supply Noise.
3) 50Ω Terminations are Within Test Equipment.
tB
Figure 2. 10K LV-PECL Waveform
Figure 1. Test Circuit
Vectron International, 267 Lowell Rd, Hudson NH 03051-4916
Tel: 1-88-VECTRON-1
Website: www.vectron.com
Page 2 of 7
Rev: 3 April 2007
VS-720 Voltage Controlled SAW Oscillator
Outline Diagram
Suggested Pad Layout
1.96
[0.077]
3.66
[0.144]
1.78
[0.070]
2.54
[0.100]
mm
[inch]
5.08
[0.200]
Standard Pin Out
Pin
Symbol
Function
1
VC
VCXO
Enable = LV-CMOS logic 0 or Ground,
Disable = LV-CMOS logic 1
2
OE1
3
4
5
GND
Output
COutput
Case and Electrical Ground
Output
Complementary Output
6
VCC
Power Supply Voltage (3.3V ±10%)
Note 1: For proper operation disable pin can not be left floating. See page 7 for alternative input logic option
Tape and Reel (EIA-481-2-A)
Po
ØDo
W2
F
W
C
N
A
D
W1
P1
B
Tape Dimensions (mm)
Reel Dimensions (mm)
Dimension
Tolerance
VS-720
W
F
Do
Po
P1
A
Typ
B
Min
C
Typ
13
D
Min
N
Min
50
W1
Typ
W2 # Per
Typ Typ Typ Typ Typ
Max
Reel
16 7.5 1.5
4
8
178
1.5
20.2
16.4 22.4
200
Page 3 of 7
Tel: 1-88-VECTRON-1
Vectron International 267 Lowell Rd, Hudson NH 03051-4916
Website: www.vectron.com
Rev: 3 April 2007
VS-720 Voltage Controlled SAW Oscillator
Absolute Maximum Ratings
Parameter
Power Supply
Symbol
VCC
Ratings
0 to 4
Unit
V
Output Current
Iout
VC
25
mA
V
Voltage Control Range
Storage Temperature
Soldering Temp/Time
0 to VCC
-55 to 125
260/40
TS
°C
TLS
°C/sec
Stresses in excess of the absolute maximum ratings can permanently damage the device. Functional operation
is not implied at these or any other conditions in excess of conditions represented in the operational sections of
this datasheet. Exposure to absolute maximum ratings for extended periods may adversely affect device
reliability. Permanent damage is also possible if OD or Vc is applied before Vcc.
Suggested Output Load Configurations
+3.3V
+3.3V
+3.3V
0.10 µF
0.01 µF
0.10 µF
0.01 µF
150Ω
40Ω
49Ω
150Ω
Vc
OD
Vcc
Vc
OD
Vcc
1
2
6
5
1
2
6
5
40Ω
49Ω
COutput
Z = 50Ω
Z = 50Ω
COutput Z = 50Ω
100Ω
Gnd
Output
Gnd
Output
Z = 50Ω
3
4
3
4
240Ω
240Ω
LV-PECL to LV-PECL: For short transmission lengths, the power
consumption could be reduced by removing the 100Ω resistor and
doubling the value of the pull down resistors.
LV-PECL to LVDS: Restricted for short transmission lengths.
Configuration may require modification depending on LVDS receiver.
+3.3V
+2.0V
0.10 µF
0.10 µF
0.01 µF
0.01 µF
Vc
OD
Vcc
Vc
OD
Vcc
1
2
6
5
1
2
6
5
0.01 µF
0.01 µF
COutput
Output
COutput
Output
Gnd
-1.3V
3
4
3
4
240Ω
240Ω
Functional Test: Allows standard power supply configuration.
Since AC coupled, the LV-PECL levels cannot be measured.
Production Test: Allows direct DC coupling into 50Ω measurement
equipment. Must bias the power supplys as shown. Similar to Figure 1.
Page 4 of 7
Tel: 1-88-VECTRON-1
Vectron International 267 Lowell Rd Hudson NH 03051-4916
Website: www.vectron.com
Rev: 3 April 2007
VS-720 Voltage Controlled SAW Oscillator
Typical Gain Transfer
150
100
50
0
-50
-100
-150
VS-720 pull, 622 MHz
Linear (VS-720 pull, 622 MHz)
0.00
0.50
1.00
1.50
2.00
2.50
3.00
Control Voltage (volts)
Typical Phase Noise
0
-10
VS-720-LFF-GAB- 622.0800 MHz
Phase Noise at Specific Frequency
Offsets
10Hz -46 dBc/Hz
-20
100Hz -80 dBc/Hz
1000Hz -110 dBc/Hz
10kHz -130 dBc/Hz
100kHz -134 dBc/Hz
1MHz -138 dBc/Hz
10MHz -147 dBc/Hz
20MHz -147 dBc/Hz
40MHz -148 dBc/Hz
-30
-40
-50
-60
-70
-80
-90
Jitter OC48 (12kHz to 20MHz)
0.08 ps-rms or 0.56 ps-pp
Jitter OC192 (50kHz to 80MHz)
0.11 ps-rms or 0.80 pp-rms
-100
-110
-120
-130
-140
-150
-160
10
100
1000
10000
100000
1000000
10000000
100000000
Frequency Offset (Hz)
Page 5 of 7
Vectron International 267 Lowell Rd Hudson NH 03051-4916
Tel: 1-88-VECTRON-1
Website: www.vectron.com
Rev: 3 April 2007
VS-720 Voltage Controlled SAW Oscillator
Reliability
VI qualification includes aging at various extreme temperatures, shock and vibration, temperature cycling, and
IR reflow simulation. The VS-720 family is capable of meeting the following qualification tests:
Environmental Compliance
Parameter
Mechanical Shock
Mechanical Vibration
Solderability
Conditions
MIL-STD-883, Method 2002
MIL-STD-883, Method 2007
MIL-STD-883, Method 2003
MIL-STD-883, Method 1014
MIL-STD-883, Method 2016
Gross and Fine Leak
Resistance to Solvents
Handling Precautions
Although ESD protection circuitry has been designed into the VS-720 proper precautions should be taken when
handling and mounting. VI employs a human body model (HBM) and a Man Man method (MM) for ESD
susceptibility testing and design protection evaluation.
ESD Ratings
Model
Minimum
1500 V
200 V
Conditions
Human Body Model
Man Man Model
MIL-STD 883, Method 3015
V/JESD22-A115-A
Reflow Profile (IPC/JEDEC J-STD-020C)
Parameter
Symbol
Value
PreHeat Time
t S
60 sec Min, 180 sec Max
3 oC/sec Max
Ramp Up
R UP
t L
Time Above 217 oC
Time To Peak Temperature
Time At 260 oC
60 sec Min, 150 sec Max
480 sec Max
t AMB-P
t P
20 sec Min, 40 sec Max
6 oC/sec Max
Ramp Down
R DN
t L
t P
260
R UP
The device is qualified to meet the JEDEC standard for
Pb-Free assembly. The temperatures and time
intervals listed are based on the Pb-Free small body
requirements. The VS-720 device is hermetically
sealed so an aqueous wash is not an issue.
217
200
R DN
150
t S
Termination Plating: Electroless Gold Plate over
Nickel Plate
t AMB-P
25
Time (sec)
Page 6 of 7
Vectron International 267 Lowell Rd Hudson NH 03051-4916 Tel: 1-88-VECTRON-1
Website: www.vectron.com
Rev: 3 April 2007
VS-720 Voltage Controlled SAW Oscillator
Standard Output Frequencies (MHz)
*155.5200
240.0000
375.0000
537.6000
672.1627
*156.2500
245.7600
389.6000
600.0000
690.5692
*160.0000
250.0000
400.0000
622.0800
693.4830
*175.0000
311.0400
425.0000
625.0000
704.3806
*187.5000
312.5000
480.0000
644.5313
707.3527
*194.8000
320.0000
491.5200
657.4219
720.0000
*200.0000
324.0000
500.0000
666.5143
768.0000
212.5000
350.0000
531.2500
669.3266
796.8750
Frequencies not shown are available upon request. *VC-710 is preferred VCXO for frequencies ≤ 200 MHz
Revision Control
A
6/28/06
Vectron Prod Mgt.
Vectron Prod Mgt.
Release of VS-720 Datasheet
B
4/03/07
Updates to APR, Freq, & Harmonic Spec
Ordering Information
VS - 720 - L F F - G A A - xxx.xxx
Product Family
VS = VCSO
Frequency
150 - 800 MHz
Performance Options
Package
A = Default Option
720 = 5.0 x 7.5 x 2.0 mm
6 Pad Ceramic SMD
B = Lowest Phase Noise
C = ±5% maximum Linearity
D = + 20 ppm maximum
Temperature Stability
Input
L = 3.3 Vdc ± 10%
Enable/Disable Input Logic (LV-CMOS)
A = Pin 2: Enable Low (or Gnd)/Disable High
B = Pin 2: Enable High (or Vcc)/Disable Low
Output
F = LVPECL (45/55% Symmetry)
P = LVDS (45/55% Symmetry)
Absolute Pull Range Options
C = ± 20 ppm minimum
F = ± 32 ppm minimum
G = ± 50 ppm minimum (default value)
N = ± 80 ppm minimum
H = ± 100 ppm minimum
Operating Temperature
C = 0°C to 70°C
D = -20ºC to 70ºC
F = -40°C to 85°C
Not all combinations are possible
For Additional Information, Please Contact:
USA: Vectron International, 267 Lowell Rd, Hudson, NH 03051 . . . . Tel: 1-88-VECTRON-1
Fax: 1-888-FAX-VECTRON
Fax: +49 (0) 3328-4784-30
Fax: +86-21-28909240
EUROPE: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Tel: +49 (0) 3328-4784-17
ASIA: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Tel: +86-21-28909740
Vectron International reserves the right to make changes to the product(s) and or information contained herein without notice.
No liability is assumed as a result of their use or application. No rights under any patent accompany the sale of any such product(s) or information.
Page 7 of 7
Vectron International 267 Lowell Rd Hudson NH 03051-4916
Tel: 1-88-VECTRON-1
Website: www.vectron.com
Rev: 3 April 2007
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